F.B.I. Bars Some China Scholars From Visiting U.S. Over Spying Fears

The F.B.I. has mounted a counterintelligence operation that aims to bar Chinese academics from the United States if they are suspected of having links to Chinese intelligence agencies. As many as 30 Chinese professors in the social sciences, heads of academic institutes, and experts who help explain government policies have had their visas to the United States canceled in the past year, or put on administrative review, according to Chinese academics and their American counterparts. 

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